Why Choose the Mersen K087501 5SM Medium Time-Lag Miniature Fuse?
The Mersen K087501 is a dependable 5 × 20 mm medium time-lag miniature cartridge fuse designed to provide reliable overcurrent protection for industrial electrical equipment, electronic devices and OEM machinery. Also identified by the catalogue reference MI5SM25V2.5, it belongs to the trusted Mersen 5SM IEC miniature fuse series.
With a rated current of 2.5 A and a rated voltage of 250 V AC, the K087501 is engineered to withstand temporary inrush currents whilst providing dependable protection against sustained overloads and short circuits. Its medium time-lag characteristic helps minimise nuisance fuse operation in circuits with transformers, power supplies and inductive loads.
Manufactured with a robust 5 × 20 mm ceramic cartridge body, this fuse offers reliable performance in demanding industrial environments and is compatible with standard 5 × 20 mm miniature fuse holders.
Key Advantages
- Medium time-lag characteristic reduces nuisance fuse operation.
- Standard 5 × 20 mm miniature fuse format.
- 2.5 A current rating for industrial and electronic equipment.
- 250 V AC voltage rating.
- Ceramic body provides excellent durability and electrical insulation.
- Suitable for circuits with temporary inrush currents.
- Compatible with standard IEC 5 × 20 mm fuse holders.
Key Features
- Mersen 5SM IEC miniature fuse series.
- MI5SM25V2.5 catalogue reference.
- 2.5 A rated current.
- 250 V AC rated voltage.
- Medium time-lag operating characteristic.
- Ceramic cartridge construction.
- Standard 5 × 20 mm dimensions.
- Suitable for industrial and electronic protection applications.
- RoHS-compliant construction.
Reliable Protection for Industrial Equipment
Medium time-lag miniature fuses are designed to tolerate brief start-up currents while providing dependable protection against sustained overloads and fault conditions. This makes them particularly suitable for transformers, switched-mode power supplies, motors and other equipment with temporary inrush currents.
The Mersen 5SM range is widely specified by machine builders, panel manufacturers and maintenance engineers requiring consistent, reliable circuit protection for industrial and commercial electrical systems.
Typical Applications
- Industrial control panels.
- Power supplies.
- Electronic equipment.
- Instrumentation systems.
- Transformers and auxiliary circuits.
- OEM machinery and automation equipment.